Thursday

March 5, 2015

March 5, 2015

Posted by **Anonymous** on Wednesday, April 6, 2011 at 2:00am.

- calculus -
**drwls**, Wednesday, April 6, 2011 at 6:43amDifferentiate P(t) to obtain the derivative P'(t).

P'(t) = -100 e^-t + 400 e^(-4t)

The maximum will occur where P'(t) = 0

e^-t = 4e^-4t

1 = 4 e^-3t

There will be one such point within 3 hours.

**Answer this Question**

**Related Questions**

Calculus - The number, N, of people who have heard a rumor spread by mass media ...

calculus - N(t) = 650 1+649 e−0.5 t . (You may wish to sketch a graph of ...

Calculus I, differentiation - The number, N, of people who have heard a rumor ...

Calculus - N(t) = 650/1+649 e^−0.5 t (b) How many people will have heard ...

calculus - The rate at which a rumor spreads through an Alpine village of 400 ...

Math - The number, N, of people who have heard a rumor spread by mass media by ...

Math - I can't calculate 1 as the answer given to the following problem. I keep ...

math - number of people who hear a rumor after t hours is N(t) = 2000/ 1 + 499e...

Relationships - 1.When you spread a rumor about so and so like so and so. What ...

to ms.sue - you are the smartest person i ever known so im asking you. what does...